﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ExampleClass
{
    class CRectangle
    {
        int x;
        int y;
        public void SetValues(int a, int b)
        {
            x = a;
            y = b;
        }
        public int area()
        {
            return (x * y);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            CRectangle recta = new CRectangle();
            CRectangle rectb = new CRectangle();
            recta.SetValues(3, 4);
            rectb.SetValues(5, 6);
            Console.WriteLine("recta:{0}", recta.area());
            Console.WriteLine("rectb:{0}", rectb.area());
        }

    }
}
